Find f(g(x)) f(x)=7/(x-8) , g(x)=7/x+8

Math
,
Set up the composite result function.
Evaluate by substituting in the value of into .
Simplify the denominator.
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Subtract from .
Add and .
Multiply the numerator by the reciprocal of the denominator.
Cancel the common factor of .
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Cancel the common factor.
Rewrite the expression.
Find f(g(x)) f(x)=7/(x-8) , g(x)=7/x+8

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